''Danio erythromicron'', often known as emerald dwarf danio and emerald dwarf rasbora, is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

cyprinid Cyprinidae is a family of freshwater fish commonly called the carp or minnow family. It includes the carps, the true minnows, and relatives like the barbs and barbels. Cyprinidae is the largest and most diverse fish family and the largest verte ...

fish which is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

Inle Lake Inle Lake (, ), a freshwater lake located in the Nyaungshwe Township of Shan State, part of Shan Hills in Myanmar (Burma). It is the second largest lake in Myanmar with an estimated surface area of , and one of the highest at an elevation of . D ...

Myanmar Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John C. Wells, Joh ...

Taxonomy and systematics

In 1999, it was suggested that the species be transferred to the genus ''

Danio ''Danio'' is a genus of small freshwater fish in the family Cyprinidae found in South and Southeast Asia, commonly kept in aquaria. They are generally characterised by a pattern of horizontal stripes, rows of spots or vertical bars. Some species ...

'' based on morphological data, but it was cautioned that more research would be necessary. A

phylogenetic In biology, phylogenetics (; from Greek φυλή/ φῦλον [] "tribe, clan, race", and wikt:γενετικός, γενετικός [] "origin, source, birth") is the study of the evolutionary history and relationships among or within groups o ...

analysis of ''Danio'' found it indeed close to that genus, but its precise placement was still indeterminable. Shortly thereafter, a new species, ''

Danio margaritatus ''Danio margaritatus'', the celestial pearl danio, often referred to in the aquarium trade as galaxy rasbora or ''Microrasbora'' sp. 'Galaxy',Clarke (2007b) is a small cyprinid from Myanmar. It has so far been found only in a very small area near ...

'', was described under the name ''Celestichthys margaritatus''. However, this new species was quickly moved into ''Danio'' following further analysis. Subsequent analysis of

DNA sequence DNA sequencing is the process of determining the nucleic acid sequence – the order of nucleotides in DNA. It includes any method or technology that is used to determine the order of the four bases: adenine, guanine, cytosine, and thymine. Th ...

data showed that ''Microrasbora erythromicron'' was related to ''Danio'', and recommended moving this species to that genus. Later molecular analysis confirmed its placement within the genus, with its closest relatives being ''

'' and '' Danio choprai''.

References

External links

Microrasbora erythromicron
* {{Taxonbar, from=Q259104 Danio Fish of Myanmar Endemic fauna of Myanmar Fish described in 1918 Taxa named by Nelson Annandale